001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.replication.regionserver;
019
020import static org.junit.Assert.assertArrayEquals;
021import static org.junit.Assert.fail;
022
023import java.io.IOException;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HConstants;
026import org.apache.hadoop.hbase.client.Get;
027import org.apache.hadoop.hbase.client.Put;
028import org.apache.hadoop.hbase.client.Result;
029import org.apache.hadoop.hbase.replication.TestReplicationBase;
030import org.apache.hadoop.hbase.testclassification.MediumTests;
031import org.apache.hadoop.hbase.util.Bytes;
032import org.junit.AfterClass;
033import org.junit.BeforeClass;
034import org.junit.ClassRule;
035import org.junit.Test;
036import org.junit.experimental.categories.Category;
037import org.slf4j.Logger;
038import org.slf4j.LoggerFactory;
039
040@Category(MediumTests.class)
041public class TestReplicationCompressedWAL extends TestReplicationBase {
042
043  @ClassRule
044  public static final HBaseClassTestRule CLASS_RULE =
045    HBaseClassTestRule.forClass(TestReplicationCompressedWAL.class);
046
047  static final Logger LOG = LoggerFactory.getLogger(TestReplicationCompressedWAL.class);
048  static final int NUM_BATCHES = 20;
049  static final int NUM_ROWS_PER_BATCH = 100;
050
051  @BeforeClass
052  public static void setUpBeforeClass() throws Exception {
053    CONF1.setBoolean(HConstants.ENABLE_WAL_COMPRESSION, true);
054    TestReplicationBase.setUpBeforeClass();
055  }
056
057  @AfterClass
058  public static void tearDownAfterClass() throws Exception {
059    TestReplicationBase.tearDownAfterClass();
060  }
061
062  @Test
063  public void testMultiplePuts() throws Exception {
064    runMultiplePutTest();
065  }
066
067  protected static void runMultiplePutTest() throws IOException, InterruptedException {
068    for (int i = 0; i < NUM_BATCHES; i++) {
069      putBatch(i);
070      getBatch(i);
071    }
072  }
073
074  protected static void getBatch(int batch) throws IOException, InterruptedException {
075    for (int i = 0; i < NUM_ROWS_PER_BATCH; i++) {
076      byte[] row = getRowKey(batch, i);
077      Get get = new Get(row);
078      for (int j = 0; j < NB_RETRIES; j++) {
079        if (j == NB_RETRIES - 1) {
080          fail("Waited too much time for replication");
081        }
082        Result res = htable2.get(get);
083        if (res.isEmpty()) {
084          LOG.info("Row not available");
085          Thread.sleep(SLEEP_TIME);
086        } else {
087          assertArrayEquals(row, res.value());
088          break;
089        }
090      }
091    }
092  }
093
094  protected static byte[] getRowKey(int batch, int count) {
095    return Bytes.toBytes("row" + ((batch * NUM_ROWS_PER_BATCH) + count));
096  }
097
098  protected static void putBatch(int batch) throws IOException {
099    for (int i = 0; i < NUM_ROWS_PER_BATCH; i++) {
100      byte[] row = getRowKey(batch, i);
101      Put put = new Put(row);
102      put.addColumn(famName, row, row);
103      htable1.put(put);
104    }
105  }
106
107}